Wirelessly connect your JB4 to your phone!
For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Access your BMWs DME wirelessly by connecting to your phone! The enthusiast's tool of choice for xHP Flashtool and many other transmission and engine tuning options.
Fuel-It! CANfuel allows your ECU to control up to 8 fuel injectors sequentially in addition to an ethanol content sensor, low fuel pressure sensor, extra pressure sensors, EGT probes, external fuel pumps, and much more.
For N54 equipped E chassis vehicles only
Alter parameters and fine-tune � wirelessly!
For use with N54 JB4 systems and any JB4 manufactured prior to 2017. Please check board diagrams to properly identify your JB4 before ordering.
Brand:
ES#:
3508698
Mfg#:
JB4-BT
In Stock
$149.00
This product was last offered at the strikethrough price on 05-12-2026
Plug & play power — gain up to 40 horsepower in under one minute! 50 state legal performance!
CARB Approved - Legal in All 50 States! CARB certified for sale in all 50 states
Add an Install Kit to Your Motiv ReFlex Control Unit!
Brand:
ES#:
4810522
Mfg#:
400.1001
Ships in 1 Business Day
$15.00 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
More About Performance Tunes & Software
If you've upgraded your car or just want a bit more power from your stock vehicle, performance engine software helps maximize your car's potential by letting it know just where the limits are. Improve your driving experience with upgraded performance engine software from our selection of elite software tuners.
Lifetime Replacement
